220110011021221 has 8 divisors (see below), whose sum is σ = 221048828884224. Its totient is φ = 219171831598080.

The previous prime is 220110011021203. The next prime is 220110011021281. The reversal of 220110011021221 is 122120110011022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220110011021221 - 2²⁹ = 220109474150309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220110011021195 and 220110011021204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220110011021281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158918965 + ... + 160298026.

It is an arithmetic number, because the mean of its divisors is an integer number (27631103610528).

Almost surely, 2^{220110011021221} is an apocalyptic number.

It is an amenable number.

220110011021221 is a deficient number, since it is larger than the sum of its proper divisors (938817863003).

220110011021221 is a wasteful number, since it uses less digits than its factorization.

220110011021221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319219931.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 220110011021221 its reverse (122120110011022), we get a palindrome (342230121032243).

The spelling of 220110011021221 in words is "two hundred twenty trillion, one hundred ten billion, eleven million, twenty-one thousand, two hundred twenty-one".